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Home >> Jeep >> 1998 >> Cherokee 4WD L6-4.0L VIN S >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Compression Check >> Specifications
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Compression Check: Specifications

NOTE: This six-cylinder engine is an In-line, lightweight, overhead valve engine.

Engine Type In-line 6 Cylinder
Compression Ratio 8.7:1
Pressure Range 827 - 1,034 kPa (120 - 150 psi)
Max. Variation Between Cylinders 206 kPa(30 psi)